1. Department of Health Technology Technical University of Denmark Kgs Lyngby 2800 Denmark
2. Department of Health Technology Center for Intestinal Absorption and Transport of Biopharmaceuticals Technical University of Denmark Kgs Lyngby 2800 Denmark
3. Department of Mechanical Engineering Technical University of Denmark Kgs Lyngby 2800 Denmark
4. Department of Electrical Engineering Technical University of Denmark Kgs Lyngby 2800 Denmark
5. Drug Research Program Division of Pharmaceutical Chemistry and Technology Faculty of Pharmacy University of Helsinki Helsinki FI‐00014 Finland
6. Zanjan Pharmaceutical Nanotechnology Research Center (ZPNRC) Zanjan University of Medical Sciences Zanjan 45139‐56184 Iran